RWY_DIRECTION [RWY direction]
One of the two landing and take-off directions of a runway for which attributes like TORA, TODA, LDA, etc. may be defined.
Rules:
  1. At least one of the values VAL_MAG_BRG or VAL_TRUE_BRG must be specified.
Attributes
TXT_DESIG [Designator] mandatory
The full textual designator of the landing and take-off direction.
E.g. 27, 35L, 01R.
Rules:
  1. TXT_DESIG must have between 2 and 3 characters, of which the first 2 may be only digits, which indicate an integer value between 01 and 36, inclusive. Examples: 09, 09L, 09R, 09C, 09T, etc..
    .
Domain: TXT_DESIG
VAL_TRUE_BRG [True bearing] optional
The true bearing of the Runway direction.
Rules:
  1. This value must match (or differ exactly by 180°) with the value calculated using the geographical coordinates (GEO_LAT and GEO_LONG) of the associated RWY_CLINE_POINTs (through the associated RWY)
    .
Domain: VAL_ANGLE_BRG
VAL_MAG_BRG [Magnetic bearing] optional
The magnetic bearing.
Rules:
  1. The difference between VAL_TRUE_BRG and VAL_MAG_BRG has to be consistent with the value VAL_MAG_VAR in the referred AD_HP, taking in consideration the current date and the annual rate of change (VAL_MAG_VAR_CHG in the referred AD_HP).
Domain: VAL_ANGLE_BRG
VAL_ELEV_TDZ [Elevation of touch down zone] optional
The value of the highest elevation of the runway Touch Down Zone (TDZ).
Rules:
  1. If VAL_ELEV_TDZ is specified, then UOM_ELEV_TDZ is mandatory.
Domain: VAL_DIST_VER
VAL_ELEV_TDZ_ACCURACY [Accuracy of the touch down zone elevation] optional
The accuracy of the Touch Down Zone (TDZ) elevation value.
Rules:
  1. VAL_ELEV_TDZ_ACCURACY may be specified only if VAL_ELEV_TDZ has been specified.
Domain: VAL_DIST_VER
UOM_ELEV_TDZ [Unit of measurement [touch down zone elevation]] optional
The unit of measurement for vertical distances: elevation, elevation accuracy.
Domain: UOM_ELEV
VAL_DUR_TAX [Taxi time estimation] optional
(CFMU) An estimation of the taxi time to the runway direction.
Domain: VAL_DUR
CODE_TYPE_VASIS [Type] optional
A code indicating the type of the visual approach slope indicator system.
For example, VASIS, A-VASIS, PAPI, A-PAPI, etc..
Rules:
  1. The value 'HAPI' (helicopter approach path indicator) cannot be used here.
Domain: CODE_TYPE_VASIS
CODE_PSN_VASIS [VASIS position] optional
A code describing a position, relative to the centreline, of the visual approach slope indicator for a FATO/RWY direction.
Domain: CODE_PSN_REL_AXIS
NO_BOX_VASIS [VASIS number of boxes] optional
The number of boxes that compose the visual approach slope indicator system.
Domain: NO_NUMBER
CODE_PORTABLE_VASIS [Portable VASIS] optional
A code indicating whether the visual approach slope indicator system is a portable one.
Domain: CODE_YES_NO
[TXT_DESCR_PSN_VASIS] DEPRECATED-4.5 [VASIS position description] optional
A textual description of the position where the visual approach slope indicator system has been installed.
Rules:
  1. A description of the position may be given, only if the type of Visual Approach Slope Indicator System (CODE_TYPE_VASIS) has been specified.
Domain: TXT_DESCR
VAL_SLOPE_ANGLE_GP_VASIS [Approach slope angle] optional
The appropriate approach slope angle to be used by an aircraft using the approach.
Rules:
  1. This value may be specified only if the CODE_TYPE_VASIS has been specified.
Domain: VAL_ANGLE
VAL_MEHT [Minimum eye height over threshold] optional
The Minimum Eye Height over Threshold (MEHT) value.
Rules:
  1. This value may be specified only if the CODE_TYPE_VASIS has been specified.
  2. If VAL_MEHT is specified, then UOM_MEHT is mandatory.
Domain: VAL_DIST_HORZ
UOM_MEHT [Unit of measurement [minimum eye height over threshold]] optional
The measurement unit for the Minimum Eye Height over Threshold (MEHT) value.
Domain: UOM_ELEV
TXT_DESCR_ARST_DVC [Arresting device] optional
A textual description of an arresting device provided for the runway direction.
Domain: TXT_DESCR
TXT_DESCR_RVR [RVR meteorological equipment] optional
A textual description of the RVR meteorological equipment provided for the Runway Direction.
Domain: TXT_DESCR
CODE_VFR_PATTERN [Direction of the VFR flight pattern] optional
A code indicating the direction of the VFR flight pattern at an aerodrome/heliport, i.e. left or right.
Domain: CODE_DIR_TURN
TXT_RMK [Remark] optional
This could include information related to the physical characteristics of the runway such as grooving and arresting devices.
Domain: TXT_RMK
RWY_DIRECTION_ALS [RWY direction approach lighting system]
A lighting system installed before the threshold of a runway providing a visual reference for aircraft landing on that runway.
Attributes
CODE_TYPE [Type] mandatory
The type of the approach lighting system.
Rules:
  1. If CODE_TYPE = 'ALSAF', then CODE_SEQUENCED_FLASH cannot have the value 'N'..
  2. If CODE_TYPE = 'ALSAF', then CODE_INTENSITY cannot have the value 'LIM'..
  3. If CODE_TYPE = 'MALS' or 'MALSR', then CODE_INTENSITY cannot have the value 'LIH' or 'LIL'..
Domain: CODE_TYPE_ALS_RWY
VAL_LEN [Length] optional
The overall length of the approach lighting system.
Rules:
  1. If VAL_LEN is specified, then UOM_LEN is mandatory.
Domain: VAL_DIST_HORZ
UOM_LEN [Unit of measurement [length]] optional
The unit of measurement for the length of the approach lighting system.
Domain: UOM_DIST_HORZ
CODE_INTST [Intensity] optional
A code indicating the light intensity.
For example, LIL, LIM, LIH.
Domain: CODE_INTST_LGT
CODE_SEQUENCED_FLASH [Sequenced flashing available] optional
A code indicating whether sequenced flashing is available for the approach lighting system.
Domain: CODE_YES_NO
TXT_DESCR_FLASH [Flash description] optional
A textual description of the flash characteristics, if provided, for the approach lighting system.
Domain: TXT_DESCR
TXT_RMK [Remark] optional
Domain: TXT_RMK
RWY_DIRECTION_DECL_DIST [Declared distance for a RWY direction]
A conventional distance declared for a runway direction.
For example, TORA, TODA, LDA, ASDA.
Rules:
  1. For the same RWY_DIRECTION (and from the same intersection with a TWY and within the same time period - day/night, if applicable), the VAL_DIST (considering the UOM_DIST information) of the 'TODA' must be equal with or greater than that of the 'TORA'.
  2. For the same RWY_DIRECTION (and from the same intersection with a TWY and within the same time period - day/night, if applicable), the VAL_DIST (considering the UOM_DIST information) of the 'ASDA' must be equal with or greater than that of the 'TORA'.
Attributes
CODE_TYPE [Type] mandatory
A code indicating the type of a conventional declared distance.
For example, TORA, TODA, LDA, RTODAH, etc..
Rules:
  1. If CODE_TYPE is 'LDA', 'TORA' or 'DPLM', then VAL_DIST (considering the UOM_DIST information) must be smaller than or equal to VAL_LEN of the related RWY.
Domain: CODE_TYPE_DECL_DIST_RWY
CODE_DAY_PERIOD [Time period] mandatory
A code indicating the time period of the day when the declared distance is valid.
For example, day or night.
Domain: CODE_DAY_PERIOD
VAL_DIST [Declared distance] mandatory
The value of the declared distance.
Domain: VAL_DIST_HORZ
UOM_DIST [Unit of measurement [horizontal distance]] mandatory
The unit of measurement of the declared distance.
Domain: UOM_DIST_HORZ
TXT_RMK [Remark] optional
Domain: TXT_RMK
RWY_DIRECTION_LGT_SYS [RWY lighting system]
... a type of
SURFACE_LGT_SYS
The lighting system provided for a landing and take-off direction, including the stopway lights.
Attributes
... see as well the attributes of the super-type entity
CODE_PSN [Position] mandatory
A code indicating the part of the runway the lighting system is serving.
Domain: CODE_PSN_RWY
RWY_DIRECTION_OBSTACLE [Obstacle for a RWY direction]
An obstacle which has significance for aeronautical operations on a runway.
Attributes
CODE_TYPE_OPS [Operations affected] optional
A code indicating the type of RWY operations affected by the obstacle.
For example, approach or departure.
Domain: CODE_TYPE_OPS_RWY
VAL_DIST_THR [Obstacle distance to threshold] optional
The distance from the obstacle to the threshold of the runway direction.
Rules:
  1. This value must correspond (within 5 meters) to the value calculated using the coordinates of the related OBSTACLE and the coordinates of the threshold of the related RWY_DIRECTION.
  2. If VAL_DIST_THR is specified, then UOM_DIST_HORZ is mandatory.
Domain: VAL_DIST_HORZ
VAL_DIST_ALONG_CLINE [Obstacle distance along the center line] optional
The distance from the obstacle to the threshold of the runway direction along the center line of the runway.
Rules:
  1. This value must correspond (within 5 meters) to the value calculated using the coordinates of the related OBSTACLE and the coordinates of the related RWY_CLINE_POINT(s).
  2. If VAL_DIST_ALONG_CLINE is specified, then UOM_DIST_HORZ is mandatory.
Domain: VAL_DIST_HORZ
VAL_DIST_TO_CLINE [Obstacle distance to the center line] optional
The distance from the obstacle to the center line of the runway it is obstructing.
Rules:
  1. This value must correspond (within 5 meters) to the value calculated using the coordinates of the related OBSTACLE and the coordinates of the related RWY_CLINE_POINT(s).
  2. If VAL_DIST_TO_CLINE is specified, then UOM_DIST_HORZ is mandatory.
Domain: VAL_DIST_HORZ
UOM_DIST_HORZ [Unit of measurement [horizontal distance]] optional
The unit of measurement for the horizontal distances.
Domain: UOM_DIST_HORZ
VAL_BRG_THR [Magnetic bearing] optional
The magnetic bearing from the threshold of the runway direction to the obstacle.
Rules:
  1. This value must correspond (within 1 degree) to the value calculated using the coordinates of the related OBSTACLE and the coordinates of the threshold of the related RWY_DIRECTION, taking into consideration the actual value of the magnetic variation at the aerodrome site (attributes VAL_MAG_VAR, DATE_MAG_VAR and VAL_MAG_VAR_CHG of the related AD_HP entity).
Domain: VAL_ANGLE_BRG
TXT_RMK [Remark] optional
Domain: TXT_RMK
RWY_DIRECTION_STAR [RWY direction STAR]
A Standard Arrival Procedure that may be used for a particular Runway approach direction.
Attributes
TXT_RMK [Remark] optional
Domain: TXT_RMK
RWY_PROTECT_AREA [RWY Protection area]
... a type of
LANDING_PROTECTION_AREA
An area situated in the vicinity of a runway or provided to protect aircraft during maneuvering, take-off and landing operations.
Rules:
... see as well the rules of the super-type entity
  1. If the value of CODE_TYPE is 'OFZ' (Obstacle Free Zone), 'OFS' (Obstacle Free Surface) or 'ILS' (ILS Protection Area), then no values for the attributes CODE_COMPOSITION may be specified as the area is not on the ground.
  2. If the value of CODE_TYPE is 'ILS' (ILS Protection Area), then no values for the attributes TXT_LGT may be specified.
  3. If the value of CODE_TYPE is 'OFZ' (Obstacle Free Zone), 'OFS' (Obstacle Free Surface) or 'ILS' (ILS Protection Area), then the value of the attribute CODE_STS may only be 'PARKED' or 'WIP'.
Attributes
... see as well the attributes of the super-type entity
CODE_TYPE [Type] mandatory
A code indicating the type of protection area.
For example, clearway, obstacle free zone, obstacle free surface, etc..
Domain: CODE_TYPE_PROTECT_AREA_RWY
SEGMENT [Route segment base]
A two-dimensional vector connecting two consecutive significant points.
Rules:
  1. If the ending point of a segment is starting point of another segment, the ending point of the second segment cannot be the starting point of the first one.
  2. The position of the SIGNIFICANT_POINT used as the beginning of the SEGMENT must be separated by at least 60 m (1 second of arc) from the position of the SIGNIFICANT_POINT used as the end of the SEGMENT..
Attributes
CODE_TYPE [Type] mandatory
The type of segment path.
For example, great circle, rhumbline, geodesic line, etc.
Domain: CODE_TYPE_SEG_PATH
CODE_SOURCE [Source of information] mandatory
A code indicating the source of information.
For example, calculated, deduced, etc..
Domain: CODE_SOURCE_SEG_PATH
VAL_TRUE_TRACK [Initial true track] optional
The initial true track.
Domain: VAL_ANGLE_BRG
VAL_MAG_TRACK [Initial magnetic track] optional
The initial magnetic track.
Domain: VAL_ANGLE_BRG
VAL_REVERS_TRUE_TRACK [Reverse initial true track] optional
The reverse initial true track.
Domain: VAL_ANGLE_BRG
VAL_REVERS_MAG_TRACK [Reverse initial magnetic track] optional
The reverse initial magnetic track.
Domain: VAL_ANGLE_BRG
VAL_LEN [Length] optional
The length of the path (depending on the type of the path).
Rules:
  1. If VAL_LEN is specified, then UOM_DIST is mandatory.
Domain: VAL_DIST_HORZ
UOM_DIST [Unit of measurement [horizontal distance]] optional
The unit of measurement for horizontal distances.
Domain: UOM_DIST_HORZ
TXT_RMK [Remark] optional
Domain: TXT_RMK
SERVICE [Service]
An entity representing all types of services furnished to variously, pilots, flights, Aircraft Operators and other personnel and institutions concerned with flight operations.
Notes:
The type of the service is determined by the relevant attributes.
Aerodrome Ground Services are modeled with another entity.
Attributes
CODE_TYPE [Type] mandatory
A code specifying the type of service represented by the entity. In some AIPs a list of frequencies is given against an enumeration of services. There is no way to know which frequency is dedicated to which service if at all. Furthermore, a combination of services like Area Control and Flight Information is often provided on the same frequency. This problem may be solved by allowing attribute values like 'ACC/ALRS/FIS', 'APP/TWR' etc.. Additionally, while 'consolidating' sectors, services might be combined as well.
Domain: CODE_TYPE_SER
NO_SEQ [Sequence number] mandatory
Where a given unit may provide one or more services of the same type in different airspaces, at different aerodromes and on different frequencies, these services will be numbered sequentially.
When the 'area' where the service is provided is not a mandatory relationship, it may not be part of the Primary Key. Therefore, this attribute is necessary as part of the Primary Key.
Domain: NO_SEQ
CODE_SOURCE [Type defined by] optional
A code indicating the 'source' of the service type definition.
Notes:
This attribute has been created since the types of service used throughout the countries are by no means unambiguous. 'Area Control Service', for example, stems from ICAO while for 'TMC' (as used in one national AIP, meaning 'Terminal Area Control') will have the source 'STATE'.
Domain: CODE_SOURCE_SER
GEO_LAT [Latitude] optional
The latitude of the position from where the service is provided or which is associated with the service.
Domain: GEO_LAT
GEO_LONG [Longitude] optional
The longitude of the position from where the service is provided or which is associated with the service.
Domain: GEO_LONG
CODE_RADAR [Radar assisted] optional
A code indicating if the service is provided with radar assistance.
Domain: CODE_YES_NO
CODE_DATUM [Datum] optional
A code indicating the geodetic datum in which the geographical co-ordinates are expressed.
Rules:
  1. All geographical coordinates should be expressed in the WGS 84 system.
Domain: CODE_DATUM
VAL_GEO_ACCURACY [Geographical accuracy] optional
The horizontal distance from the stated geographical position within which there is a defined confidence of the true position falling.
Rules:
  1. If VAL_GEO_ACCURACY is specified, then UOM_GEO_ACCURACY is mandatory.
Domain: VAL_DIST_HORZ
UOM_GEO_ACCURACY [Unit of measurement [geographical accuracy]] optional
The unit of measurement for the value expressing the accuracy of the geographical co-ordinates.
Domain: UOM_DIST_HORZ
VAL_ELEV [Elevation] optional
The vertical distance of the position from the Mean Sea Level. The geoidal height of the position.
Rules:
  1. If VAL_ELEV is specified, then UOM_DIST_VER is mandatory.
Domain: VAL_DIST_VER
VAL_ELEV_ACCURACY [Elevation accuracy] optional
The vertical distance from the stated elevation within which there is a defined confidence of the true position falling.
Rules:
  1. VAL_ELEV_ACCURACY may be specified only if VAL_ELEV is specified.
Domain: VAL_DIST_VER
VAL_GEOID_UNDULATION [Geoid undulation] optional
A distance separating the geoid and the ellipsoid at that position. In respect of WGS-84 geodetic datum, the difference between the WGS-84 ellipsoidal height and geoidal height represents geoidal undulation.
Rules:
  1. VAL_GEOID_UNDULATION may be specified only if VAL_ELEV is specified.
Domain: VAL_DIST_VER
UOM_DIST_VER [Unit of measurement [vertical distance]] optional
The unit of measurement for vertical distances: elevation, geoidal undulation.
Domain: UOM_ELEV
VAL_CRC [Cyclic redundancy check] optional
Hexadecimal value of a 32-bit polynominal cyclic redundancy check (CRC) over the values of a selected set of attributes that model critical, essential and routine data, according to ICAO Annex 15, item 3.2.10.
Notes:
Applications implementing the model shall decide and notify the specific attributes which are used for the CRC calculations, taking into consideration the requirements of the ICAO Annex 15.
Domain: VAL_HEX
TXT_VER_DATUM [Vertical Datum] optional
Attribute to take the "Vertical Datum" (viz. the tide gauge to determine MSL - for example, "AMSTERDAM GAUGE", "NEWLYN" etc.).
Domain: TXT_DESCR
TXT_RMK [Remark] optional
Domain: TXT_RMK
SERVICE_AT_AD_HP [Service provided at an aerodrome/heliport]
A service that is provided for the traffic at or in the vicinity of an aerodrome/heliport. For example, APP, TWR, AFIS, MET, Pre-flight briefing etc..
Attributes
TXT_RMK [Remark] optional
Domain: TXT_RMK